CN105861847A - Quinary electroslag remelting system and production method applying quinary electroslag remelting system to 3379B blade steel material - Google Patents

Quinary electroslag remelting system and production method applying quinary electroslag remelting system to 3379B blade steel material Download PDF

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Publication number
CN105861847A
CN105861847A CN201610243181.XA CN201610243181A CN105861847A CN 105861847 A CN105861847 A CN 105861847A CN 201610243181 A CN201610243181 A CN 201610243181A CN 105861847 A CN105861847 A CN 105861847A
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electroslag remelting
yuan
steel material
production method
powder
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CN105861847B (en
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廖云虎
黄志永
雷德江
刘永新
丁勇
张华国
高刚毅
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Sichuan Liuhe Special Metal Materials Co., Ltd.
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SICHUAN LIUHE FORGING Co Ltd
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    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B9/00—General processes of refining or remelting of metals; Apparatus for electroslag or arc remelting of metals
    • C22B9/16—Remelting metals
    • C22B9/18—Electroslag remelting
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00—Technologies related to metal processing
    • Y02P10/25—Process efficiency

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Treatment Of Steel In Its Molten State (AREA)
  • Manufacture And Refinement Of Metals (AREA)

Abstract

The invention discloses a quinary electroslag remelting system and a production method applying the quinary electroslag remelting system to a 3379B blade steel material. The quinary electroslag remelting system consists of the following substances in percentage by weight: 52-59% of CaF2, 18-22% of Al2O3, 12-17% of CaO, 2-7% of MgO and 3-6% of SiO2. According to the production method applying the quinary electroslag remelting system to the 3379B blade steel material, Al powder and Mn powder are added as a deoxidizing agent, so that a combined oxide of XSiO2-YAl2O3 and XSiO2-YRO (RO: CaO+MnO+MgO) is formed in a slag tank, the diameter of the slag inclusion in the oxide in a molten pool is increased, and the bigger inclusion particles are more likely to float, and therefore, the effect of further removing the inclusion is finally achieved. The method for producing the 3379B blade steel material can precisely control nonmetal inclusion, so that the prepared material is high in purity, and the performance requirements of blade steel 3379B are achieved; and by adopting the method to smelt, the raw materials are easily available, the operation is simple, a great deal of production cost can be saved, and benefits of manufacturing enterprises are improved.

Description

Five yuan of electroslag remelting slags and be applied to the production method of 3379B Blade Steel material
Technical field
The present invention relates to and metal smelt field, be specifically related to five yuan of electroslag remelting slags, use The method that five yuan of electroslag remelting slags produce 3379B Blade Steel material.
Background technology
The cleanliness factor of steel is most important in the development that iron and steel is applied, and high cleanliness steel is following steel The trend of iron development.And non-metallic inclusion can not be carried out effectively by existing electroslag remelting slag Controlling, not only smelting cost is high, is not met by the demand of high performance material.
Summary of the invention
It is an object of the invention to overcome the above-mentioned deficiency in the presence of prior art, it is provided that five yuan Electroslag remelting slag.
In order to realize foregoing invention purpose, the invention provides techniques below scheme:
Five yuan of electroslag remelting slags, are made up of the material of following weight percentage:
CaF2:52~59%；Al2O3:18~22%；CaO:12~17%；
MgO:2~7%；SiO2:3~6%.
Proportioning: CaF2:CaF2 content >=97%；Al2O3:Al2O3 content >=95%；CaO:CaO content >=95%； MgO:MgO content >=95%；SiO2:SiO2 content >=97%.
As preferably, above-mentioned five yuan of electroslag remelting slags, further preferably by following weight The material composition of percentage composition:
CaF2:54~57%；Al2O3: 20%；CaO:15%；
MgO:3~6%；SiO2: 5%.
As preferably, above-mentioned five yuan of electroslag remelting slags, the most preferably by following weight The material composition of percentage composition: CaF2: 55%；Al2O3: 20%；CaO:15%； MgO:5%；SiO2: 5%.
As preferably, above-mentioned CaF2 purity is preferably more than 97%；Al2O3Purity is preferred It is more than 95%；CaO purity is preferably more than 95%；MgO purity is preferably more than 95%； SiO2Purity is preferably more than 97%.
Second object of the present invention is to provide above-mentioned five yuan of electroslag remelting slags to be applied to The production method of 3379B Blade Steel material.3379B Blade Steel of the present invention, its trade mark is X19CrMoNbVN11-1。
Concrete technical scheme is:
Five yuan of electroslag remelting slags are applied to the production method of 3379B Blade Steel material, including with Lower step:
(1) take the raw material of 3379B Blade Steel material and/or return steel material successively through antivacuum sense Answer stove, LF and VD to smelt for the first time, pour into consutrode rod；
(2) the consutrode rod that step (1) is poured into a mould being carried out electroslag remelting, electroslag remelting is adopted With above-mentioned five yuan of electroslag remelting slags.
As preferably, aforementioned production method step (1) consutrode rod diameter is preferably 240mm。
For further deoxidation, removal of inclusions, above-mentioned steps (2) is excellent when electroslag remelting Al powder, Mn powder are added in choosing, to account for above-mentioned five yuan of electroslag remelting slag percentage by weights for counting, Al powder addition is 0.03～0.08%, and Mn powder addition is 0.02～0.05%.
As preferably, above-mentioned Al powder addition enters preferably 0.03～0.06%, and Mn powder adds Amount is 0.02～0.04%.
As preferably, above-mentioned Al powder addition more preferably 0.05%, Mn powder adds Amount is 0.036%.
As preferably, above-mentioned return steel material consumption is calculated by weight percentage, preferably charge weight 0～50%；The more preferably 30-50% of charge weight.
Compared with prior art, beneficial effects of the present invention:
Five yuan of electroslag remelting slags of the present invention can fully remove non-metallic inclusion, improves the pure of steel Cleanliness grade；It is applied to Steel material produce, the production of particularly 3379B Blade Steel material, energy Reduce steel production cost.
Five yuan of electroslag remelting slags of the present invention are applied to the production method of 3379B Blade Steel material, Interpolation Al powder, Mn powder, as deoxidier, form XSiO in slag bath2-YAl2O3、XSiO2-YRO (RO:CaO+MnO+MgO sum) combines oxide, improves oxide in molten bath and is mingled with Thing diameter, the biggest tendency that floats of inclusion particle increases therewith, is finally reached and removes folder further The effect of foreign material.The inventive method is used to produce 3379B Blade Steel material, can be accurately to non- Metallic inclusion is controlled, and the material purity of preparation is high, reaches Blade Steel 3379B performance and wants Asking, and use the inventive method to smelt, raw material also take, simple to operate, equipment Ask low, it is not necessary to use protective atmosphere electroslag furnace or other refining furnaces to produce, can save big Amount production cost, improves manufacturing enterprise's benefit.
Detailed description of the invention
Below in conjunction with detailed description of the invention, the present invention is described in further detail.But should be by This is interpreted as that the scope of the above-mentioned theme of the present invention is only limitted to below example, all based on the present invention The technology that content is realized belongs to the scope of the present invention.
1 five yuan of electroslag remelting slags of embodiment and be applied to the production of 3379B Blade Steel material Method
Five yuan of electroslag remelting slags, are made up of the material of following weight percentage:
CaF2: 55%；Al2O3: 20%；CaO:15%；MgO:5%；SiO2: 5%.
Five yuan of electroslag remelting slags are applied to the production method of 3379B Blade Steel material, including with Lower step:
(1) take the raw material of 3379B Blade Steel material and/or return material successively through antivacuum sensing Stove, LF and VD smelt for the first time, pour into the consutrode rod of a diameter of 240mm；
(2) the consutrode rod that step (1) is poured into a mould being carried out electroslag remelting, electroslag remelting is adopted With five yuan of electroslag remelting slags of this example；Al powder, Mn powder is added, to account for when electroslag remelting Stating five yuan of electroslag remelting slag percentage by weights is meter, and Al powder addition is 0.05%, Mn powder Addition is 0.03%.
Five yuan of electroslag remelting slags of this example are applied to the producer legal system of 3379B Blade Steel material Standby 3379B Blade Steel material, detects through analysis center, and result shows non-metallic inclusion
Rank controls there is bigger improvement.3379B Blade Steel material non-metallic inclusion requires such as table 1 below,
3379B Blade Steel material tests result such as following table table 2 prepared by this example.
Table 1
Table 2
Note: in the table 3-5 of table 1, table 2 and embodiment 2-4, A, B, C, D belong to and be mingled with Species is other, particularly as follows: A: sulfide；B: oxide；C: silicate；D: spherical Oxide.
2 five yuan of electroslag remelting slags of embodiment and be applied to the producer of 3379B Blade Steel material Method
Five yuan of electroslag remelting slags, are made up of the material of following weight percentage:
CaF2:56%；Al2O3:20%；CaO:15%；MgO:4%；SiO2:5%.
Five yuan of electroslag remelting slags are applied to the production method of 3379B Blade Steel material, including with Lower step:
(1) take the raw material of 3379B Blade Steel material and/or return material successively through antivacuum sensing Stove, LF and VD smelt for the first time, pour into the consutrode rod of a diameter of 240mm；
(2) the consutrode rod that step (1) is poured into a mould being carried out electroslag remelting, electroslag remelting is adopted With five yuan of electroslag remelting slags of this example；Al powder, Mn powder is added, to account for when electroslag remelting Stating five yuan of electroslag remelting slag percentage by weights is meter, and Al powder addition is 0.03%, Mn powder Addition is 0.02%.
Five yuan of electroslag remelting slags of this example are applied to the producer legal system of 3379B Blade Steel material Standby 3379B Blade Steel material, detects through analysis center, and result shows non-metallic inclusion Rank controls there is bigger improvement.3379B Blade Steel material tests result such as following table prepared by this example Table 3.
Table 3
3 five yuan of electroslag remelting slags of embodiment and be applied to the producer of 3379B Blade Steel material Method
Five yuan of electroslag remelting slags, are made up of the material of following weight percentage:
CaF2:57%；Al2O3:20%；CaO:15%；MgO:3%；SiO2:5%.
Five yuan of electroslag remelting slags are applied to the production method of 3379B Blade Steel material, including with Lower step:
(1) take the raw material of 3379B Blade Steel material and/or return material successively through antivacuum sensing Stove, LF and VD smelt for the first time, pour into the consutrode rod of a diameter of 240mm；
(2) the consutrode rod that step (1) is poured into a mould being carried out electroslag remelting, electroslag remelting is adopted With five yuan of electroslag remelting slags of this example；Al powder, Mn powder is added, to account for when electroslag remelting Stating five yuan of electroslag remelting slag percentage by weights is meter, and Al powder addition is 0.08%, Mn powder Addition is 0.05%.
Five yuan of electroslag remelting slags of this example are applied to the producer legal system of 3379B Blade Steel material Standby 3379B Blade Steel material, detects through analysis center, and result shows non-metallic inclusion Rank controls there is bigger improvement.3379B Blade Steel material tests result such as following table prepared by this example Table 4.
Table 4
4 five yuan of electroslag remelting slags of embodiment and be applied to the life of 3379B Blade Steel material Product method
Five yuan of electroslag remelting slags, are made up of the material of following weight percentage:
CaF2:54%；Al2O3:20%；CaO:15%；MgO:6%；SiO2:5%.
Five yuan of electroslag remelting slags are applied to the production method of 3379B Blade Steel material, including with Lower step:
(1) take the raw material of 3379B Blade Steel material and/or return material successively through antivacuum sensing Stove, LF and VD smelt for the first time, pour into the consutrode rod of a diameter of 240mm；
(2) the consutrode rod that step (1) is poured into a mould being carried out electroslag remelting, electroslag remelting is adopted With five yuan of electroslag remelting slags of this example；Al powder, Mn powder is added, to account for when electroslag remelting Stating five yuan of electroslag remelting slag percentage by weights is meter, and Al powder addition is 0.06%, Mn powder Addition is 0.04%.
Five yuan of electroslag remelting slags of this example are applied to the producer legal system of 3379B Blade Steel material Standby 3379B Blade Steel material, detects through analysis center, and result shows non-metallic inclusion Rank controls there is bigger improvement.3379B Blade Steel material tests result such as following table prepared by this example Table 5.
Table 5

Claims (10)

1. five yuan of electroslag remelting slags, it is characterised in that by the thing of following weight percentage Matter forms:
CaF2:52~59%；Al2O3:18~22%；CaO:12~17%；
MgO:2~7%；SiO2:3~6%.
Five yuan of electroslag remelting slags the most according to claim 1, it is characterised in that by The material composition of following weight percentage:
CaF2:54~57%；Al2O3: 20%；CaO:15%；
MgO:3~6%；SiO2: 5%.
Five yuan of electroslag remelting slags the most according to claim 2, it is characterised in that by The material composition of following weight percentage: CaF2: 55%；Al2O3: 20%；CaO: 15%；MgO:5%；SiO2: 5%.
4., according to five yuan of electroslag remelting slags described in claim 1-3 any one, it is special Levying and be, CaF2 purity is more than 97%；Al2O3Purity is more than 95%；CaO purity is More than 95%；MgO purity is more than 95%；SiO2Purity is more than 97%.
5. five yuan of electroslag remelting slags described in claim 1-4 any one are applied to 3379B The production method of Blade Steel material, it is characterised in that comprise the following steps:
(1) take the raw material of 3379B Blade Steel material and/or return steel material successively through antivacuum sense Answer stove, LF and VD to smelt for the first time, pour into consutrode rod；
(2) the consutrode rod that step (1) is poured into a mould being carried out electroslag remelting, electroslag remelting is adopted With above-mentioned five yuan of electroslag remelting slags.
Production method the most according to claim 5, it is characterised in that step (1) institute State the consutrode a diameter of 240mm of rod.
7. according to the production method described in claim 5 or 6, it is characterised in that described step Suddenly (2) add Al powder, Mn powder when electroslag remelting, to account for described five yuan of electro slag remelting slags Be percentage by weight be meter, Al powder addition is 0.03～0.08%, and Mn powder addition is 0.02～0.05%.
Production method the most according to claim 7, it is characterised in that described Al powder adds Entering amount is 0.03～0.06%, and described Mn powder addition is 0.02～0.04%.
Production method the most according to claim 8, it is characterised in that described Al powder adds Entering amount is 0.05%, and described Mn powder addition is 0.036%.
10. according to the production method described in claim 5 or 6, it is characterised in that described in return Return steel material consumption to calculate by weight percentage, for the 0～50% of charge weight；More preferably 30～50%.
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CN106498306A (en) * 2016-11-14 2017-03-15 安徽名杰净化科技有限公司 A kind of air purifier organic matter filter screen preparation method
CN108118114A (en) * 2017-12-11 2018-06-05 四川六合锻造股份有限公司 A kind of electroslag remelting slag and method of smelting suitable for mild steel material
CN108193130A (en) * 2017-12-28 2018-06-22 辽宁福鞍重工股份有限公司 A kind of method for centrifuging electroslag smelting casting production high ferro brake disc
CN108315563A (en) * 2017-12-19 2018-07-24 重庆材料研究院有限公司 A kind of electroslag remelting slag of super-duplex stainless steel
CN108330405A (en) * 2018-03-30 2018-07-27 四川六合锻造股份有限公司 A kind of excellent anti-corrosion performance and the good high duty alloy of high temperature resistance
CN109280778A (en) * 2018-09-18 2019-01-29 重庆材料研究院有限公司 It is used to prepare the slag charge of the electroslag remelting of high silicomanganese nitrogen-contained stainless steel

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CN102912150A (en) * 2012-11-06 2013-02-06 西安建筑科技大学 Control method for sulfur content in electroslag remelting steel
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CN106498306A (en) * 2016-11-14 2017-03-15 安徽名杰净化科技有限公司 A kind of air purifier organic matter filter screen preparation method
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CN108315563A (en) * 2017-12-19 2018-07-24 重庆材料研究院有限公司 A kind of electroslag remelting slag of super-duplex stainless steel
CN108315563B (en) * 2017-12-19 2020-02-14 重庆材料研究院有限公司 Electroslag remelting slag system of super duplex stainless steel
CN108193130A (en) * 2017-12-28 2018-06-22 辽宁福鞍重工股份有限公司 A kind of method for centrifuging electroslag smelting casting production high ferro brake disc
CN108330405A (en) * 2018-03-30 2018-07-27 四川六合锻造股份有限公司 A kind of excellent anti-corrosion performance and the good high duty alloy of high temperature resistance
CN109280778A (en) * 2018-09-18 2019-01-29 重庆材料研究院有限公司 It is used to prepare the slag charge of the electroslag remelting of high silicomanganese nitrogen-contained stainless steel

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Address after: 621700 West Section of Baolun Road, Henan Industrial Park, Jiangyou City, Mianyang City, Sichuan Province

Patentee after: Sichuan Liuhe Special Metal Materials Co., Ltd.

Address before: 621700 West Section of Baolun Road, Henan Industrial Park, Jiangyou City, Mianyang City, Sichuan Province

Patentee before: Sichuan Liuhe Forging Company Ltd.